First hand experience. Try it yourself?
Google photos only has pictures of my mom from her 60s onwards, but when I put a sepia toned scan of my mom as a 9 year old, google photos asked me "is this [your mom]?"
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Google photos only has pictures of my mom from her 60s onwards, but when I put a sepia toned scan of my mom as a 9 year old, google photos asked me "is this [your mom]?"